Add a missing Sync bound

ZcashFoundation · Feb 17, 2021 · 1ef836a · 1ef836a
1 parent 090afb9
commit 1ef836a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tower-batch/src/semaphore.rs b/tower-batch/src/semaphore.rs
@@ -32,7 +32,7 @@ pub(crate) struct Close {
 }
 
 enum State {
-    Waiting(Pin<Box<dyn Future<Output = Permit> + Send + 'static>>),
+    Waiting(Pin<Box<dyn Future<Output = Permit> + Send + Sync + 'static>>),
     Ready(Permit),
     Empty,
 }